On 5/6/19, 黄云尧 <17748643...@163.com> wrote: > > > This version does not have libx264 itself?
It maybe have? Have you tried using -c:v libx264 ? > > | | > 黄云尧 > | > | > 17748643...@163.com > | > 签名由网易邮箱大师定制 > On 5/6/2019 17:01，Paul B Mahol<one...@gmail.com> wrote： > On 5/6/19, 黄云尧 <17748643...@163.com> wrote: > what can I do,need libx264 library? > > > Yes, and ffmpeg build with support for it. > > > | | > 黄云尧 > | > | > 17748643...@163.com > | > 签名由网易邮箱大师定制 > On 5/6/2019 16:54，Paul B Mahol<one...@gmail.com> wrote： > On 5/6/19, 黄云尧 <17748643...@163.com> wrote: > > > ffmpeg -i input.mp4 -vcodec h264 output.mp4 > > > I use the command,but the video have not picture only sound.who can help me? > | | > > > For h264 you need to have build with libx264 encoder. > > 黄云尧 > | > | > 17748643...@163.com > | > 签名由网易邮箱大师定制 > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
